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Finding the Fourth Proportional to 294.68, 441.55 and 248.81

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Solution

The fourth proportional to 294.68, 441.55 and 248.81 is: 372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.68 : 441.55 = 248.81 : x
  2. Step 2: Convert to fraction form
    294.68/441.55 = 248.81/x
  3. Step 3: Cross multiply
    294.68x = 441.55 × 248.81
  4. Step 4: Simplify right side
    294.68x = 109,862.06
  5. Step 5: Solve for x
    x = 109,862.06/294.68
  6. Step 6: Final answer
    x = 372.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.